This is just a preliminary list - I will format and make more readable later. (much from your recent mock examination performance)
Multiple Choice - Paper 1
make sure you answer EVERY question. There are no penalties for wrong answers. GUESS if you don't know or run out of time (personally I would pick C).
Paper 2 Questions
In general
do not exceed allocated space. There is no obligation for ANYTHING WRITTEN OUTSIDE THE LINES to be marked. Hints:
write in point form
use scrap paper for "thinking" and solution attempts
do not restate the question
WRITE NEATLY - if your hand writing is not legible, the examiner will not spend hours trying to figure it out
write concisely (do not use unnecessary words) and systematically (if, then, because: follow a logical order). Use mathmatical symbols when possible (don't write "the volume is proportional to the temperature" when you can write
the previous point relates to questions that ask you to state the relationship between two variables. THE MARKSCHEME IS LOOKING FOR PROPORTIONALITY STATEMENTS here.
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Data based questions
a line of best fit can be EITHER a straight line OR a CURVE (trend line is a better description)
when drawing a LOBF, AVOID connecting data points
a good LOBF is drawn so that the sum total of the distance of points to the line is as close to ZERO as possible (considering some points are above and others are below the trend line)
DRAW the LOBF with a sharp pencil (very lightly) first. Then trace with your pen.
ACCURACY is very important on graphs. Plot and read values carefully (understand the scale), use a ruler to draw error bars the appropriate length
If the question says "USE THE GRAPH", you are probably expected to interpolate/extrapolate a value from the graph. Show how this was done using dotted lines extended from the point to the axis.
For slope calculations: ALWAYS use TWO points on the LOBF and, choose two points with a LARGE SEPARATION
Multiple Choice - Paper 1
Paper 2 Questions
In general- do not exceed allocated space. There is no obligation for ANYTHING WRITTEN OUTSIDE THE LINES to be marked. Hints:
- write in point form
- use scrap paper for "thinking" and solution attempts
- do not restate the question
- WRITE NEATLY - if your hand writing is not legible, the examiner will not spend hours trying to figure it out
- write concisely (do not use unnecessary words) and systematically (if, then, because: follow a logical order). Use mathmatical symbols when possible (don't write "the volume is proportional to the temperature" when you can write

- the previous point relates to questions that ask you to state the relationship between two variables. THE MARKSCHEME IS LOOKING FOR PROPORTIONALITY STATEMENTS here.
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Data based questions